I love you , Why can't you love me back?

A spoiled bratt, rich girl named Park Hee Rin was married to a handsome and also rich guy named Luhan.
But what if Luhan likes someone else? Will Hee Rin be able to win Luhan's heart?
As bad as it sounds, will she be able to destroy Luhan and his girlfriend's relationship?
characters:
PARK HEE RIN (YOU)
LUHAN
JI EUN (OC)
EXO
Foreword
Luhan has a girlfriend and he loves her so much. But for his parents' satisfaction and for their company's sake, he agreed to marry the girl named Hee Rin.
On the other hand, this so called Hee Rin likes Luhan so much, but when she finds out that Luhan has a girlfriend, she will do everything to destroy their relationship..
Little did she know that she will encounter a really painful life with her husband.
[Gu Jun Pyo and Jandi fought for their love and the arranged marriage for Jun Pyo and Jaekyung has been ruined-- And Jaekyung was left alone.
Cinderella's stepsisters did everything they can just to be with the prince but Cinderella got him instead-- Her stepsisters suffered.
Gaston looks weird just to impress his dream girl, Belle. Yet The Beast win her heart instead-- And gaston died in a terrible way.
and BLAH BLAH BLAH.
We all know it. Antagonist weren't meant to be loved. The stories are just so.... PREDICTABLE.
For one moment, can we just flip it and make the antagonist win just once? Let's just see what will happen.. Is that alright?
Well then.. If you agree with me, then you should continue scrolling down and read my story:) Yay!]
let's join Hee rin's life with Luhan..
COMPLETE